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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2007 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/

/* $Id$ */

#ifndef ZEND_COMPILE_H
#define ZEND_COMPILE_H

#include "zend.h"

#ifdef HAVE_STDARG_H
# include <stdarg.h>
#endif

#include "zend_llist.h"

#define DEBUG_ZEND 0

#define FREE_PNODE(znode) zval_dtor(&znode->u.constant);

#define SET_UNUSED(op) (op).op_type = IS_UNUSED

#define INC_BPC(op_array) if (CG(interactive)) { ((op_array)->backpatch_count++); }
#define DEC_BPC(op_array) if (CG(interactive)) { ((op_array)->backpatch_count--); }
#define HANDLE_INTERACTIVE() if (CG(interactive)) { execute_new_code(TSRMLS_C); }

#define RESET_DOC_COMMENT() \
{ \
if (CG(doc_comment)) { \
efree(CG(doc_comment)); \
CG(doc_comment) = NULL; \
} \
CG(doc_comment_len) = 0; \
}

typedef struct _zend_op_array zend_op_array;
typedef struct _zend_op zend_op;

typedef struct _znode {
int op_type;
union {
zval constant;

zend_uint var;
zend_uint opline_num; /* Needs to be signed */
zend_op_array *op_array;
zend_op *jmp_addr;
struct {
zend_uint var; /* dummy */
zend_uint type;
} EA;
} u;
} znode;

typedef struct _zend_execute_data zend_execute_data;

#define ZEND_OPCODE_HANDLER_ARGS zend_execute_data *execute_data TSRMLS_DC
#define ZEND_OPCODE_HANDLER_ARGS_PASSTHRU execute_data TSRMLS_CC

typedef int (*opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS);

extern ZEND_API opcode_handler_t *zend_opcode_handlers;

struct _zend_op {
opcode_handler_t handler;
znode result;
znode op1;
znode op2;
ulong extended_value;
uint lineno;
zend_uchar opcode;
};


typedef struct _zend_brk_cont_element {
int cont;
int brk;
int parent;
} zend_brk_cont_element;


typedef struct _zend_try_catch_element {
zend_uint try_op;
zend_uint catch_op; /* ketchup! */
} zend_try_catch_element;


/* method flags (types) */
#define ZEND_ACC_STATIC 0x01
#define ZEND_ACC_ABSTRACT 0x02
#define ZEND_ACC_FINAL 0x04
#define ZEND_ACC_IMPLEMENTED_ABSTRACT 0x08

/* class flags (types) */
/* ZEND_ACC_IMPLICIT_ABSTRACT_CLASS is used for abstract classes (since it is set by any abstract method even interfaces MAY have it set, too). */
/* ZEND_ACC_EXPLICIT_ABSTRACT_CLASS denotes that a class was explicitly defined as abstract by using the keyword. */
#define ZEND_ACC_IMPLICIT_ABSTRACT_CLASS 0x10
#define ZEND_ACC_EXPLICIT_ABSTRACT_CLASS 0x20
#define ZEND_ACC_FINAL_CLASS 0x40
#define ZEND_ACC_INTERFACE 0x80

/* method flags (visibility) */
/* The order of those must be kept - public < protected < private */
#define ZEND_ACC_PUBLIC 0x100
#define ZEND_ACC_PROTECTED 0x200
#define ZEND_ACC_PRIVATE 0x400
#define ZEND_ACC_PPP_MASK (ZEND_ACC_PUBLIC | ZEND_ACC_PROTECTED | ZEND_ACC_PRIVATE)

#define ZEND_ACC_CHANGED 0x800
#define ZEND_ACC_IMPLICIT_PUBLIC 0x1000

/* method flags (special method detection) */
#define ZEND_ACC_CTOR 0x2000
#define ZEND_ACC_DTOR 0x4000
#define ZEND_ACC_CLONE 0x8000

/* method flag (bc only), any method that has this flag can be used statically and non statically. */
#define ZEND_ACC_ALLOW_STATIC 0x10000

/* shadow of parent's private method/property */
#define ZEND_ACC_SHADOW 0x20000

/* deprecation flag */
#define ZEND_ACC_DEPRECATED 0x40000

char *zend_visibility_string(zend_uint fn_flags);


typedef struct _zend_property_info {
zend_uint flags;
char *name;
int name_length;
ulong h;
char *doc_comment;
int doc_comment_len;
} zend_property_info;


typedef struct _zend_arg_info {
char *name;
zend_uint name_len;
char *class_name;
zend_uint class_name_len;
zend_bool array_type_hint;
zend_bool allow_null;
zend_bool pass_by_reference;
zend_bool return_reference;
int required_num_args;
} zend_arg_info;

typedef struct _zend_compiled_variable {
char *name;
int name_len;
ulong hash_value;
} zend_compiled_variable;

struct _zend_op_array {
/* Common elements */
zend_uchar type;
char *function_name;
zend_class_entry *scope;
zend_uint fn_flags;
union _zend_function *prototype;
zend_uint num_args;
zend_uint required_num_args;
zend_arg_info *arg_info;
zend_bool pass_rest_by_reference;
unsigned char return_reference;
/* END of common elements */

zend_uint *refcount;

zend_op *opcodes;
zend_uint last, size;

zend_compiled_variable *vars;
int last_var, size_var;

zend_uint T;

zend_brk_cont_element *brk_cont_array;
zend_uint last_brk_cont;
zend_uint current_brk_cont;

zend_try_catch_element *try_catch_array;
int last_try_catch;

/* static variables support */
HashTable *static_variables;

zend_op *start_op;
int backpatch_count;

zend_bool done_pass_two;
zend_bool uses_this;

char *filename;
zend_uint line_start;
zend_uint line_end;
char *doc_comment;
zend_uint doc_comment_len;

void *reserved[ZEND_MAX_RESERVED_RESOURCES];
};


#define ZEND_RETURN_VALUE 0
#define ZEND_RETURN_REFERENCE 1

typedef struct _zend_internal_function {
/* Common elements */
zend_uchar type;
char *function_name;
zend_class_entry *scope;
zend_uint fn_flags;
union _zend_function *prototype;
zend_uint num_args;
zend_uint required_num_args;
zend_arg_info *arg_info;
zend_bool pass_rest_by_reference;
unsigned char return_reference;
/* END of common elements */

void (*handler)(INTERNAL_FUNCTION_PARAMETERS);
} zend_internal_function;

#define ZEND_FN_SCOPE_NAME(function) ((function) && (function)->common.scope ? (function)->common.scope->name : "")

typedef union _zend_function {
zend_uchar type; /* MUST be the first element of this struct! */

struct {
zend_uchar type; /* never used */
char *function_name;
zend_class_entry *scope;
zend_uint fn_flags;
union _zend_function *prototype;
zend_uint num_args;
zend_uint required_num_args;
zend_arg_info *arg_info;
zend_bool pass_rest_by_reference;
unsigned char return_reference;
} common;

zend_op_array op_array;
zend_internal_function internal_function;
} zend_function;


typedef struct _zend_function_state {
HashTable *function_symbol_table;
zend_function *function;
void *reserved[ZEND_MAX_RESERVED_RESOURCES];
} zend_function_state;


typedef struct _zend_switch_entry {
znode cond;
int default_case;
int control_var;
} zend_switch_entry;


typedef struct _list_llist_element {
znode var;
zend_llist dimensions;
znode value;
} list_llist_element;

union _temp_variable;

struct _zend_execute_data {
struct _zend_op *opline;
zend_function_state function_state;
zend_function *fbc; /* Function Being Called */
zend_op_array *op_array;
zval *object;
union _temp_variable *Ts;
zval ***CVs;
zend_bool original_in_execution;
HashTable *symbol_table;
struct _zend_execute_data *prev_execute_data;
zval *old_error_reporting;
};

#define EX(element) execute_data.element


#define IS_CONST (1<<0)
#define IS_TMP_VAR (1<<1)
#define IS_VAR (1<<2)
#define IS_UNUSED (1<<3) /* Unused variable */
#define IS_CV (1<<4) /* Compiled variable */

#define EXT_TYPE_UNUSED (1<<0)

#include "zend_globals.h"

BEGIN_EXTERN_C()

void init_compiler(TSRMLS_D);
void shutdown_compiler(TSRMLS_D);
void zend_init_compiler_data_structures(TSRMLS_D);

extern ZEND_API zend_op_array *(*zend_compile_file)(zend_file_handle *file_handle, int type TSRMLS_DC);

ZEND_API int lex_scan(zval *zendlval TSRMLS_DC);
void startup_scanner(TSRMLS_D);
void shutdown_scanner(TSRMLS_D);

ZEND_API char *zend_set_compiled_filename(char *new_compiled_filename TSRMLS_DC);
ZEND_API void zend_restore_compiled_filename(char *original_compiled_filename TSRMLS_DC);
ZEND_API char *zend_get_compiled_filename(TSRMLS_D);
ZEND_API int zend_get_compiled_lineno(TSRMLS_D);
ZEND_API int zend_get_scanned_file_offset(TSRMLS_D);

ZEND_API char* zend_get_compiled_variable_name(zend_op_array *op_array, zend_uint var, int* name_len);

#ifdef ZTS
const char *zend_get_zendtext(TSRMLS_D);
int zend_get_zendleng(TSRMLS_D);
#endif


/* parser-driven code generators */
void zend_do_binary_op(zend_uchar op, znode *result, znode *op1, znode *op2 TSRMLS_DC);
void zend_do_unary_op(zend_uchar op, znode *result, znode *op1 TSRMLS_DC);
void zend_do_binary_assign_op(zend_uchar op, znode *result, znode *op1, znode *op2 TSRMLS_DC);
void zend_do_assign(znode *result, znode *variable, znode *value TSRMLS_DC);
void zend_do_assign_ref(znode *result, znode *lvar, znode *rvar TSRMLS_DC);
void fetch_simple_variable(znode *result, znode *varname, int bp TSRMLS_DC);
void fetch_simple_variable_ex(znode *result, znode *varname, int bp, zend_uchar op TSRMLS_DC);
void zend_do_indirect_references(znode *result, znode *num_references, znode *variable TSRMLS_DC);
void zend_do_fetch_static_variable(znode *varname, znode *static_assignment, int fetch_type TSRMLS_DC);
void zend_do_fetch_global_variable(znode *varname, znode *static_assignment, int fetch_type TSRMLS_DC);

void fetch_array_begin(znode *result, znode *varname, znode *first_dim TSRMLS_DC);
void fetch_array_dim(znode *result, znode *parent, znode *dim TSRMLS_DC);
void fetch_string_offset(znode *result, znode *parent, znode *offset TSRMLS_DC);
void zend_do_fetch_static_member(znode *result, znode *class_znode TSRMLS_DC);
void zend_do_print(znode *result, znode *arg TSRMLS_DC);
void zend_do_echo(znode *arg TSRMLS_DC);
typedef int (*unary_op_type)(zval *, zval *);
ZEND_API unary_op_type get_unary_op(int opcode);
ZEND_API void *get_binary_op(int opcode);

void zend_do_while_cond(znode *expr, znode *close_bracket_token TSRMLS_DC);
void zend_do_while_end(znode *while_token, znode *close_bracket_token TSRMLS_DC);
void zend_do_do_while_begin(TSRMLS_D);
void zend_do_do_while_end(znode *do_token, znode *expr_open_bracket, znode *expr TSRMLS_DC);


void zend_do_if_cond(znode *cond, znode *closing_bracket_token TSRMLS_DC);
void zend_do_if_after_statement(znode *closing_bracket_token, unsigned char initialize TSRMLS_DC);
void zend_do_if_end(TSRMLS_D);

void zend_do_for_cond(znode *expr, znode *second_semicolon_token TSRMLS_DC);
void zend_do_for_before_statement(znode *cond_start, znode *second_semicolon_token TSRMLS_DC);
void zend_do_for_end(znode *second_semicolon_token TSRMLS_DC);

void zend_do_pre_incdec(znode *result, znode *op1, zend_uchar op TSRMLS_DC);
void zend_do_post_incdec(znode *result, znode *op1, zend_uchar op TSRMLS_DC);

void zend_do_begin_variable_parse(TSRMLS_D);
void zend_do_end_variable_parse(int type, int arg_offset TSRMLS_DC);

void zend_check_writable_variable(znode *variable);

void zend_do_free(znode *op1 TSRMLS_DC);

void zend_do_init_string(znode *result TSRMLS_DC);
void zend_do_add_char(znode *result, znode *op1, znode *op2 TSRMLS_DC);
void zend_do_add_string(znode *result, znode *op1, znode *op2 TSRMLS_DC);
void zend_do_add_variable(znode *result, znode *op1, znode *op2 TSRMLS_DC);

int zend_do_verify_access_types(znode *current_access_type, znode *new_modifier);
void zend_do_begin_function_declaration(znode *function_token, znode *function_name, int is_method, int return_reference, znode *fn_flags_znode TSRMLS_DC);
void zend_do_end_function_declaration(znode *function_token TSRMLS_DC);
void zend_do_receive_arg(zend_uchar op, znode *var, znode *offset, znode *initialization, znode *class_type, znode *varname, zend_bool pass_by_reference TSRMLS_DC);
int zend_do_begin_function_call(znode *function_name TSRMLS_DC);
void zend_do_begin_method_call(znode *left_bracket TSRMLS_DC);
void zend_do_clone(znode *result, znode *expr TSRMLS_DC);
void zend_do_begin_dynamic_function_call(znode *function_name TSRMLS_DC);
void zend_do_fetch_class(znode *result, znode *class_name TSRMLS_DC);
void zend_do_fetch_class_name(znode *result, znode *class_entry, znode *class_name TSRMLS_DC);
void zend_do_begin_class_member_function_call(znode *class_name, znode *method_name TSRMLS_DC);
void zend_do_end_function_call(znode *function_name, znode *result, znode *argument_list, int is_method, int is_dynamic_fcall TSRMLS_DC);
void zend_do_return(znode *expr, int do_end_vparse TSRMLS_DC);
void zend_do_handle_exception(TSRMLS_D);

void zend_do_try(znode *try_token TSRMLS_DC);
void zend_do_begin_catch(znode *try_token, znode *catch_class, znode *catch_var, zend_bool first_catch TSRMLS_DC);
void zend_do_end_catch(znode *try_token TSRMLS_DC);
void zend_do_throw(znode *expr TSRMLS_DC);

ZEND_API int do_bind_function(zend_op *opline, HashTable *function_table, zend_bool compile_time);
ZEND_API zend_class_entry *do_bind_class(zend_op *opline, HashTable *class_table, zend_bool compile_time TSRMLS_DC);
ZEND_API zend_class_entry *do_bind_inherited_class(zend_op *opline, HashTable *class_table, zend_class_entry *parent_ce, zend_bool compile_time TSRMLS_DC);
ZEND_API void zend_do_inherit_interfaces(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC);
ZEND_API void zend_do_implement_interface(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC);
void zend_do_implements_interface(znode *interface_znode TSRMLS_DC);

ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce TSRMLS_DC);
void zend_do_early_binding(TSRMLS_D);

void zend_do_pass_param(znode *param, zend_uchar op, int offset TSRMLS_DC);


void zend_do_boolean_or_begin(znode *expr1, znode *op_token TSRMLS_DC);
void zend_do_boolean_or_end(znode *result, znode *expr1, znode *expr2, znode *op_token TSRMLS_DC);
void zend_do_boolean_and_begin(znode *expr1, znode *op_token TSRMLS_DC);
void zend_do_boolean_and_end(znode *result, znode *expr1, znode *expr2, znode *op_token TSRMLS_DC);

void zend_do_brk_cont(zend_uchar op, znode *expr TSRMLS_DC);

void zend_do_switch_cond(znode *cond TSRMLS_DC);
void zend_do_switch_end(znode *case_list TSRMLS_DC);
void zend_do_case_before_statement(znode *case_list, znode *case_token, znode *case_expr TSRMLS_DC);
void zend_do_case_after_statement(znode *result, znode *case_token TSRMLS_DC);
void zend_do_default_before_statement(znode *case_list, znode *default_token TSRMLS_DC);

void zend_do_begin_class_declaration(znode *class_token, znode *class_name, znode *parent_class_name TSRMLS_DC);
void zend_do_end_class_declaration(znode *class_token, znode *parent_token TSRMLS_DC);
void zend_do_declare_property(znode *var_name, znode *value, zend_uint access_type TSRMLS_DC);
void zend_do_declare_implicit_property(TSRMLS_D);
void zend_do_declare_class_constant(znode *var_name, znode *value TSRMLS_DC);

void zend_do_fetch_property(znode *result, znode *object, znode *property TSRMLS_DC);


void zend_do_push_object(znode *object TSRMLS_DC);
void zend_do_pop_object(znode *object TSRMLS_DC);


void zend_do_begin_new_object(znode *new_token, znode *class_type TSRMLS_DC);
void zend_do_end_new_object(znode *result, znode *new_token, znode *argument_list TSRMLS_DC);

void zend_do_fetch_constant(znode *result, znode *constant_container, znode *constant_name, int mode TSRMLS_DC);

void zend_do_shell_exec(znode *result, znode *cmd TSRMLS_DC);

void zend_do_init_array(znode *result, znode *expr, znode *offset, zend_bool is_ref TSRMLS_DC);
void zend_do_add_array_element(znode *result, znode *expr, znode *offset, zend_bool is_ref TSRMLS_DC);
void zend_do_add_static_array_element(znode *result, znode *offset, znode *expr);
void zend_do_list_init(TSRMLS_D);
void zend_do_list_end(znode *result, znode *expr TSRMLS_DC);
void zend_do_add_list_element(znode *element TSRMLS_DC);
void zend_do_new_list_begin(TSRMLS_D);
void zend_do_new_list_end(TSRMLS_D);

void zend_do_cast(znode *result, znode *expr, int type TSRMLS_DC);
void zend_do_include_or_eval(int type, znode *result, znode *op1 TSRMLS_DC);

void zend_do_unset(znode *variable TSRMLS_DC);
void zend_do_isset_or_isempty(int type, znode *result, znode *variable TSRMLS_DC);

void zend_do_instanceof(znode *result, znode *expr, znode *class_znode, int type TSRMLS_DC);

void zend_do_foreach_begin(znode *foreach_token, znode *open_brackets_token, znode *array, int variable TSRMLS_DC);
void zend_do_foreach_fetch(znode *foreach_token, znode *open_brackets_token, znode *as_token TSRMLS_DC);
void zend_do_foreach_cont(znode *foreach_token, znode *as_token, znode *value, znode *key TSRMLS_DC);
void zend_do_foreach_end(znode *foreach_token, znode *as_token TSRMLS_DC);

void zend_do_declare_begin(TSRMLS_D);
void zend_do_declare_stmt(znode *var, znode *val TSRMLS_DC);
void zend_do_declare_end(znode *declare_token TSRMLS_DC);

void zend_do_end_heredoc(TSRMLS_D);

void zend_do_exit(znode *result, znode *message TSRMLS_DC);

void zend_do_begin_silence(znode *strudel_token TSRMLS_DC);
void zend_do_end_silence(znode *strudel_token TSRMLS_DC);

void zend_do_begin_qm_op(znode *cond, znode *qm_token TSRMLS_DC);
void zend_do_qm_true(znode *true_value, znode *qm_token, znode *colon_token TSRMLS_DC);
void zend_do_qm_false(znode *result, znode *false_value, znode *qm_token, znode *colon_token TSRMLS_DC);

void zend_do_extended_info(TSRMLS_D);
void zend_do_extended_fcall_begin(TSRMLS_D);
void zend_do_extended_fcall_end(TSRMLS_D);

void zend_do_ticks(TSRMLS_D);

void zend_do_abstract_method(znode *function_name, znode *modifiers, znode *body TSRMLS_DC);

ZEND_API void function_add_ref(zend_function *function);

#define INITIAL_OP_ARRAY_SIZE 64


/* helper functions in zend_language_scanner.l */
ZEND_API zend_op_array *compile_file(zend_file_handle *file_handle, int type TSRMLS_DC);
ZEND_API zend_op_array *compile_string(zval *source_string, char *filename TSRMLS_DC);
ZEND_API zend_op_array *compile_filename(int type, zval *filename TSRMLS_DC);
ZEND_API int zend_execute_scripts(int type TSRMLS_DC, zval **retval, int file_count, ...);
ZEND_API int open_file_for_scanning(zend_file_handle *file_handle TSRMLS_DC);
ZEND_API void init_op_array(zend_op_array *op_array, zend_uchar type, int initial_ops_size TSRMLS_DC);
ZEND_API void destroy_op_array(zend_op_array *op_array TSRMLS_DC);
ZEND_API void zend_destroy_file_handle(zend_file_handle *file_handle TSRMLS_DC);
ZEND_API void zend_file_handle_dtor(zend_file_handle *fh);
ZEND_API int zend_cleanup_class_data(zend_class_entry **pce TSRMLS_DC);
ZEND_API int zend_cleanup_function_data(zend_function *function TSRMLS_DC);
ZEND_API int zend_cleanup_function_data_full(zend_function *function TSRMLS_DC);

ZEND_API void destroy_zend_function(zend_function *function TSRMLS_DC);
ZEND_API void zend_function_dtor(zend_function *function);
ZEND_API void destroy_zend_class(zend_class_entry **pce);
void zend_class_add_ref(zend_class_entry **ce);

ZEND_API void zend_mangle_property_name(char **dest, int *dest_length, char *src1, int src1_length, char *src2, int src2_length, int internal);
ZEND_API void zend_unmangle_property_name(char *mangled_property, char **prop_name, char **class_name);
ZEND_API void zend_unmangle_property_name_ex(char *mangled_property, int mangled_property_len, char **prop_name, char **class_name);

#define ZEND_FUNCTION_DTOR (void (*)(void *)) zend_function_dtor
#define ZEND_CLASS_DTOR (void (*)(void *)) destroy_zend_class

zend_op *get_next_op(zend_op_array *op_array TSRMLS_DC);
void init_op(zend_op *op TSRMLS_DC);
int get_next_op_number(zend_op_array *op_array);
int print_class(zend_class_entry *class_entry TSRMLS_DC);
void print_op_array(zend_op_array *op_array, int optimizations);
int pass_two(zend_op_array *op_array TSRMLS_DC);
zend_brk_cont_element *get_next_brk_cont_element(zend_op_array *op_array);
void zend_do_first_catch(znode *open_parentheses TSRMLS_DC);
void zend_initialize_try_catch_element(znode *try_token TSRMLS_DC);
void zend_do_mark_last_catch(znode *first_catch, znode *last_additional_catch TSRMLS_DC);
ZEND_API zend_bool zend_is_compiling(TSRMLS_D);
ZEND_API char *zend_make_compiled_string_description(char *name TSRMLS_DC);
ZEND_API void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify_handlers TSRMLS_DC);
int zend_get_class_fetch_type(char *class_name, uint class_name_len);

typedef zend_bool (*zend_auto_global_callback)(char *name, uint name_len TSRMLS_DC);
typedef struct _zend_auto_global {
char *name;
uint name_len;
zend_auto_global_callback auto_global_callback;
zend_bool armed;
} zend_auto_global;

void zend_auto_global_dtor(zend_auto_global *auto_global);
ZEND_API int zend_register_auto_global(char *name, uint name_len, zend_auto_global_callback auto_global_callback TSRMLS_DC);
ZEND_API zend_bool zend_is_auto_global(char *name, uint name_len TSRMLS_DC);
ZEND_API int zend_auto_global_disable_jit(char *varname, zend_uint varname_length TSRMLS_DC);

int zendlex(znode *zendlval TSRMLS_DC);

/* BEGIN: OPCODES */

#include "zend_vm_opcodes.h"

#define ZEND_OP_DATA 137

/* END: OPCODES */




/* global/local fetches */
#define ZEND_FETCH_GLOBAL 0
#define ZEND_FETCH_LOCAL 1
#define ZEND_FETCH_STATIC 2
#define ZEND_FETCH_STATIC_MEMBER 3
#define ZEND_FETCH_GLOBAL_LOCK 4


/* class fetches */
#define ZEND_FETCH_CLASS_DEFAULT 0
#define ZEND_FETCH_CLASS_SELF 1
#define ZEND_FETCH_CLASS_PARENT 2
#define ZEND_FETCH_CLASS_MAIN 3
#define ZEND_FETCH_CLASS_GLOBAL 4
#define ZEND_FETCH_CLASS_AUTO 5
#define ZEND_FETCH_CLASS_INTERFACE 6
#define ZEND_FETCH_CLASS_NO_AUTOLOAD 0x80

/* variable parsing type (compile-time) */
#define ZEND_PARSED_MEMBER (1<<0)
#define ZEND_PARSED_METHOD_CALL (1<<1)
#define ZEND_PARSED_STATIC_MEMBER (1<<2)
#define ZEND_PARSED_FUNCTION_CALL (1<<3)
#define ZEND_PARSED_VARIABLE (1<<4)
#define ZEND_PARSED_REFERENCE_VARIABLE (1<<5)


/* unset types */
#define ZEND_UNSET_REG 0

/* var status for backpatching */
#define BP_VAR_R 0
#define BP_VAR_W 1
#define BP_VAR_RW 2
#define BP_VAR_IS 3
#define BP_VAR_NA 4 /* if not applicable */
#define BP_VAR_FUNC_ARG 5
#define BP_VAR_UNSET 6


#define ZEND_INTERNAL_FUNCTION 1
#define ZEND_USER_FUNCTION 2
#define ZEND_OVERLOADED_FUNCTION 3
#define ZEND_EVAL_CODE 4
#define ZEND_OVERLOADED_FUNCTION_TEMPORARY 5

#define ZEND_INTERNAL_CLASS 1
#define ZEND_USER_CLASS 2

#define ZEND_EVAL (1<<0)
#define ZEND_INCLUDE (1<<1)
#define ZEND_INCLUDE_ONCE (1<<2)
#define ZEND_REQUIRE (1<<3)
#define ZEND_REQUIRE_ONCE (1<<4)

#define ZEND_ISSET (1<<0)
#define ZEND_ISEMPTY (1<<1)

#define ZEND_CT (1<<0)
#define ZEND_RT (1<<1)


#define ZEND_HANDLE_FILENAME 0
#define ZEND_HANDLE_FD 1
#define ZEND_HANDLE_FP 2
#define ZEND_HANDLE_STDIOSTREAM 3
#define ZEND_HANDLE_FSTREAM 4
#define ZEND_HANDLE_STREAM 5

#define ZEND_FETCH_STANDARD 0
#define ZEND_FETCH_ADD_LOCK 1

#define ZEND_FE_FETCH_BYREF 1
#define ZEND_FE_FETCH_WITH_KEY 2

#define ZEND_MEMBER_FUNC_CALL 1<<0

#define ZEND_ARG_SEND_BY_REF (1<<0)
#define ZEND_ARG_COMPILE_TIME_BOUND (1<<1)
#define ZEND_ARG_SEND_FUNCTION (1<<2)

#define ZEND_SEND_BY_VAL 0
#define ZEND_SEND_BY_REF 1
#define ZEND_SEND_PREFER_REF 2

/* Lost In Stupid Parentheses */
#define ARG_SHOULD_BE_SENT_BY_REF(zf, arg_num) \
( \
zf \
&& ((zend_function *) zf)->common.arg_info \
&& \
( \
( \
arg_num<=((zend_function *) zf)->common.num_args \
&& ((zend_function *) zf)->common.arg_info[arg_num-1].pass_by_reference == ZEND_SEND_BY_REF \
) \
|| ( \
arg_num>((zend_function *) zf)->common.num_args \
&& ((zend_function *) zf)->common.pass_rest_by_reference == ZEND_SEND_BY_REF \
) \
) \
)

#define ARG_MAY_BE_SENT_BY_REF(zf, arg_num) \
( \
zf \
&& ((zend_function *) zf)->common.arg_info \
&& \
( \
( \
arg_num<=((zend_function *) zf)->common.num_args \
&& ((zend_function *) zf)->common.arg_info[arg_num-1].pass_by_reference == ZEND_SEND_PREFER_REF \
) \
|| ( \
arg_num>((zend_function *) zf)->common.num_args \
&& ((zend_function *) zf)->common.pass_rest_by_reference == ZEND_SEND_PREFER_REF \
) \
) \
)

#define ZEND_RETURN_VAL 0
#define ZEND_RETURN_REF 1


#define ZEND_RETURNS_FUNCTION 1<<0

END_EXTERN_C()

#define ZEND_CLONE_FUNC_NAME "__clone"
#define ZEND_CONSTRUCTOR_FUNC_NAME "__construct"
#define ZEND_DESTRUCTOR_FUNC_NAME "__destruct"
#define ZEND_GET_FUNC_NAME "__get"
#define ZEND_SET_FUNC_NAME "__set"
#define ZEND_UNSET_FUNC_NAME "__unset"
#define ZEND_ISSET_FUNC_NAME "__isset"
#define ZEND_CALL_FUNC_NAME "__call"
#define ZEND_AUTOLOAD_FUNC_NAME "__autoload"

#endif /* ZEND_COMPILE_H */

/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
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